Patents by Inventor Hansjürgen Mattheis

Hansjürgen Mattheis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7735835
    Abstract: In a sealing arrangement, in particular for the connection of a manifold to a cylinder head of an internal combustion engine, a flat support (1, 3) has at least one sealing element in the form of a ring element (17) that forms a mold seal. The support (1, 3) and ring element (17) form a unit that holds the ring element captively on the support (1, 3).
    Type: Grant
    Filed: September 26, 2007
    Date of Patent: June 15, 2010
    Assignee: ElringKlinger AG
    Inventors: Wilhelm Kullen, Wolfgang Eben, Wolfgang Gebhardt, Hansjürgen Mattheis, Martin Kehr
  • Publication number: 20100025984
    Abstract: A device for forming a sealed screw connection for the connection of a pipe (5) to an outlet (3) for a flow medium thermally loading the device, in particular for the connection of an exhaust manifold (5) to an exhaust gas outlet (3) of an internal combustion engine, with drilled holes provided in a fixing flange (7) of the pipe (5) for appropriate threaded bolts (15), and with a sealing arrangement located between flange (7) and outlet (3), is characterized in that an enclosure part (19) is provided that encloses the flange (7) on the side thereof facing away from the outlet (3), while leaving at least one connecting passage (23) clear for the medium and forming an at least partial opening of the other edge regions of the flange (7) penetrated by the threaded bolts (15).
    Type: Application
    Filed: June 12, 2007
    Publication date: February 4, 2010
    Inventors: Wilhelm Kullen, Hansjürgen Mattheis